diff --git a/syslib/resource.txt b/syslib/resource.txt
new file mode 100755
index 0000000..10b1ba3
--- /dev/null
+++ b/syslib/resource.txt
@@ -0,0 +1,16 @@
+
+*** Variables ***
+
+# Default duration and interval of HTX exerciser to run.
+${HTX_DURATION}      2 hours
+${HTX_INTERVAL}      15 min
+
+# Default hardbootme loop times HTX exerciser to run.
+${HTX_LOOP}          4
+
+# User-defined halt on error.
+${HTX_KEEP_RUNNING}  ${0}
+
+# Default MDT profile.
+${HTX_MDT_PROFILE}   mdt.bu
+
diff --git a/syslib/utils_os.robot b/syslib/utils_os.robot
index 206164c..ae27a3a 100755
--- a/syslib/utils_os.robot
+++ b/syslib/utils_os.robot
@@ -9,7 +9,7 @@
 Resource           ../lib/utils.robot
 Resource           ../lib/state_manager.robot
 Resource           ../lib/rest_client.robot
-
+Resource           resource.txt
 Library            OperatingSystem
 Library            DateTime
 
@@ -207,3 +207,62 @@
     ${nvidia_out}=  Execute Command On BMC  nvidia-smi
     Write Log Data To File
     ...  ${nvidia_out}  ${htx_log_dir_path}/${OS_HOST}_${cur_datetime}.nvidia
+
+
+Pre Test Case Execution
+    [Documentation]  Do the initial test setup.
+    # 1. Check if HTX tool exist.
+    # 2. Power on
+
+    Boot To OS
+    HTX Tool Exist
+
+    # Shutdown if HTX is running.
+    ${status}=  Run Keyword And Return Status  Is HTX Running
+    Run Keyword If  '${status}' == 'True'
+    ...  Shutdown HTX Exerciser
+
+
+Create Default MDT Profile
+    [Documentation]  Create default mdt.bu profile and run.
+
+    Rprint Timen  Create HTX mdt profile.
+
+    ${profile}=  Execute Command On OS  htxcmdline -createmdt
+    Rprintn  ${profile}
+    Should Contain  ${profile}  mdts are created successfully
+
+
+Run MDT Profile
+    [Documentation]  Load user pre-defined MDT profile.
+
+    Rprint Timen  Start HTX mdt profile execution.
+    ${htx_run}=  Execute Command On OS
+    ...  htxcmdline -run -mdt ${HTX_MDT_PROFILE}
+    Rprintn  ${htx_run}
+    Should Contain  ${htx_run}  Activated
+
+
+Check HTX Run Status
+    [Documentation]  Get HTX exerciser status and check for error.
+
+    Rprint Timen  Check HTX mdt Status and error.
+    ${status}=  Execute Command On OS
+    ...  htxcmdline -status -mdt ${HTX_MDT_PROFILE}
+    Rprintn  ${status}
+
+    ${errlog}=  Execute Command On OS  htxcmdline -geterrlog
+    Rprintn  ${errlog}
+
+    Should Contain  ${errlog}  file </tmp/htxerr> is empty
+
+
+Shutdown HTX Exerciser
+    [Documentation]  Shut down HTX exerciser run.
+
+    Rprint Timen  Shutdown HTX Run
+    ${shutdown}=  Execute Command On OS
+    ...  htxcmdline -shutdown -mdt ${HTX_MDT_PROFILE}
+    Rprintn  ${shutdown}
+    Should Contain  ${shutdown}  shutdown successfully
+